Base | Representation |
---|---|
bin | 10001101010111… |
… | …01001110110001 |
3 | 101022220220211100 |
4 | 20311131032301 |
5 | 300421343324 |
6 | 22413035013 |
7 | 3446641416 |
oct | 1065351661 |
9 | 338826740 |
10 | 148231089 |
11 | 76744236 |
12 | 41785a69 |
13 | 2492ca06 |
14 | 1598810d |
15 | d0304c9 |
hex | 8d5d3b1 |
148231089 has 24 divisors (see below), whose sum is σ = 219428352. Its totient is φ = 96389280.
The previous prime is 148231081. The next prime is 148231117. The reversal of 148231089 is 980132841.
It is not a de Polignac number, because 148231089 - 23 = 148231081 is a prime.
It is a super-2 number, since 2×1482310892 = 43944911492251842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (148231081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90294 + ... + 91920.
It is an arithmetic number, because the mean of its divisors is an integer number (9142848).
Almost surely, 2148231089 is an apocalyptic number.
It is an amenable number.
148231089 is a deficient number, since it is larger than the sum of its proper divisors (71197263).
148231089 is a wasteful number, since it uses less digits than its factorization.
148231089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 148231089 is about 12175.0190554266. The cubic root of 148231089 is about 529.2324108642.
The spelling of 148231089 in words is "one hundred forty-eight million, two hundred thirty-one thousand, eighty-nine".
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